Home / 43,762.92-65,645.14-13,776.42

Finding the Fourth Proportional to 43,762.92, 65,645.14 and 13,776.42

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Solution

The fourth proportional to 43,762.92, 65,645.14 and 13,776.42 is: 20,664.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,762.92 : 65,645.14 = 13,776.42 : x
  2. Step 2: Convert to fraction form
    43,762.92/65,645.14 = 13,776.42/x
  3. Step 3: Cross multiply
    43,762.92x = 65,645.14 × 13,776.42
  4. Step 4: Simplify right side
    43,762.92x = 904,355,019.60
  5. Step 5: Solve for x
    x = 904,355,019.60/43,762.92
  6. Step 6: Final answer
    x = 20,664.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.